pulumi/pkg/util/contract/assert.go
2017-05-18 14:51:52 -07:00

36 lines
1.2 KiB
Go

// Licensed to Pulumi Corporation ("Pulumi") under one or more
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// Pulumi licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package contract
import (
"fmt"
)
const assertMsg = "An assertion has failed"
// Assert checks a condition and Fails if it is false.
func Assert(cond bool) {
if !cond {
failfast(assertMsg)
}
}
// Assertf checks a condition and Failfs if it is false, formatting and logging the given message.
func Assertf(cond bool, msg string, args ...interface{}) {
if !cond {
failfast(fmt.Sprintf("%v: %v", assertMsg, fmt.Sprintf(msg, args...)))
}
}